1. Ifihan
This manual provides detailed instructions for the proper setup, operation, and maintenance of your Casio HR-300RC Printing Calculator. Designed for personal, business, and office use, this calculator features a backlit LCD display, 2-color printing, and advanced functions like Cost/Sell/Margin calculations, tax functions, and a re-print/correct feature for up to 150 steps. Please read this manual thoroughly to ensure optimal performance and longevity of your device.
Figure 1: Casio HR-300RC Printing Calculator, showing the backlit display and paper output.
2. Eto
2.1 Ipese Agbara
The Casio HR-300RC operates using an AC adapter (included). Connect the AC adapter to the calculator's power input jack and then to a standard electrical outlet. This calculator does not support battery power for operation.
2.2 Iwe Roll fifi sori
- Open the paper roll cover located at the top rear of the calculator.
- Insert a new paper roll (58mm wide thermal paper) into the compartment, ensuring the paper feeds from the bottom of the roll.
- Pull approximately 1-2 inches of paper out past the cutting edge.
- Close the paper roll cover securely.
2.3 Ink Roller Installation/Replacement
- Ensure the calculator is turned off and unplugged.
- Gently lift the printer cover.
- If replacing, remove the old ink roller by pulling it upwards.
- Insert the new ink roller, ensuring it clicks into place. Avoid touching the ink ribbon directly.
- Pa ideri itẹwe naa.
olusin 2: Iwaju view of the Casio HR-300RC, highlighting the keypad and display.
3. Awọn ilana Iṣiṣẹ
3.1 Ipilẹ Mosi
- TAN/PAPA: Tẹ awọn ON/CA button to turn on the calculator. Press PAA lati pa a.
- Ìtẹ̀síwájú Nọ́mbà: Use the numeric keypad (0-9, 00).
- Ojuami eleemewa: Lo awọn . bọtini.
- Àfikún (+), Iyokuro (-), Ilọpo (×), Pipin (÷): Use the respective operation keys.
- O dọgba (=): Tẹ awọn = key to display the result of a calculation.
- Ko titẹ sii (CE): Pa nọmba ti o ti tẹ kẹhin kuro.
- Gbogbo Ko (AC): Pa gbogbo awọn titẹ sii kuro ki o tun ẹrọ iṣiro naa pada.
3.2 Awọn iṣẹ pataki
- Cost/Sell/Margin (CSM): Dedicated keys (OWO, TA, MAR) simplify profit and pricing analysis. Enter two values to calculate the third.
- Tax Calculation (TAX+, TAX-): Allows for quick addition or subtraction of a pre-set tax rate. Set the tax rate using the SET bọtini ati awọn % bọtini.
- Re-Print & Correct Function: The calculator stores up to 150 steps. Use RE-PRINT to print the calculation history and Atunse to edit entries within the history before reprinting.
- Akoko & Ọjọ Stamp: Built-in clock and calendar functions allow you to print the current date and time directly on the calculation tape. Refer to the full user guide for setting the time and date.
- 2-Color Printing: Negative values are printed in red, and positive values in black, enhancing readability and helping to prevent errors.
4. Itọju
4.1 Ninu
To clean the calculator, wipe the exterior with a soft, dry cloth. For stubborn dirt, use a cloth lightly dampened with water and a mild detergent, then wipe dry immediately. Do not use abrasive cleaners, solvents, or spray directly onto the calculator.
4.2 Ibi ipamọ
Store the calculator in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. When not in use for extended periods, unplug the AC adapter.
5. Laasigbotitusita
| Isoro | Owun to le Fa | Ojutu |
|---|---|---|
| Ẹrọ iṣiro ko tan. | Adapter AC kò sopọ̀ mọ́ tàbí ó ní àbùkù. | Ensure AC adapter is securely plugged into the calculator and a working power outlet. |
| Printer does not print. | Paper roll empty or incorrectly installed; Ink roller dry or incorrectly installed. | Replace paper roll or re-install correctly. Replace ink roller. Ensure print mode is enabled. |
| Ifihan ti wa ni baibai tabi unreadable. | Power issue; Backlight setting. | Check power connection. The backlit LCD display is always on when powered. If dim, contact support. |
| Awọn abajade iṣiro ti ko tọ. | Incorrect input; Mode setting. | Clear all entries (AC) and re-enter calculation. Verify correct mode (e.g., tax rate setting). |
If the problem persists after attempting these solutions, please refer to the comprehensive user guide PDF or contact Casio customer support.
6. Awọn pato
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Nọmba awoṣe | HR-300RC |
| Ọja Mefa | 10.2 x 7.68 x 2.39 inches |
| Iwọn Nkan | 1.37 iwon |
| Oniṣiro Iru | Titẹ sita |
| Orisun agbara | Adapter AC (pẹlu) |
| Iboju Iru | Ifihan LCD Backlit |
| Iwon iboju | 2 inches (oni-rọsẹ) |
| Awọn awọ titẹ sita | Dudu ati Pupa |
| Check & Correct Steps | Up to 150 steps |
7. Atilẹyin ọja ati Support
Casio products are manufactured to high-quality standards. For detailed warranty information, please refer to the warranty card included with your product or visit the official Casio website. For further assistance, technical support, or to download the complete user guide, please visit the Casio support page or contact their customer service department.
O tun le wa Itọsọna olumulo osise (PDF) Nibi.